누구든지 나를 도울 수 있을까요?
1 answer:
You might be interested in
So Explicit formula for 2nd one
- 2a_{a-1}
Or general formula as per Geometric progression
- a_n=ar^{n-1}=1(2)^{n-1}
For 50 years there are 365(50)=18250days excluding leap years (We will check for leap year if neck to neck situation arises)
Now find sum
Sum of 18250 terms
1 from both denominator and numerator cancels out
(Accurate)
It's far more than 1 M so second option would give you more penny